Roof tank leak detection for duplexes in Atyqa, Riyadh

Prepared by the technical team · editorial review · last updated 13 November 2026 · Sources

Before we start: what we know about Atyqa

The centre of Atyqa is at 24.5967, 46.7084, about 13.4 km from the centre of Riyadh, with an approximate radius of 1.2 km. The approximate area shown on the map is centred here. The centre of Atyqa sits about 588 m above sea level (SRTM open elevation data).

The nearest wadi channel is about 0.4 km from the centre of Atyqa (OpenStreetMap). Main roads in or near Atyqa: South Ring Road, King Fahd Road, King Fahd Branch Road.

The most common problem we see with rooftop water tanks on duplexes in Atyqa is a slow leak that goes unnoticed for weeks. Water seeps through a cracked tank floor, a failed inlet float, or a corroded outlet fitting, and the first sign is often a damp patch on the upper ceiling or a pump that runs longer than it should. By the time staining appears, the water has usually been escaping for some time, so a leak check is best started as soon as the household notices unexplained drops in supply or rising water bills.

Local conditions change how we approach the job. Atyqa sits at about 588 m above sea level, with its centre at 24.5967, 46.7084, roughly 13.4 km from the centre of Riyadh, and the nearest wadi channel runs about 0.4 km from the centre. Dust carried by seasonal wind and sudden heavy rain flowing toward that channel mean tank lids, vents and roof drains need close attention, because grit and debris can clog overflows and speed corrosion. For a duplex, we check both units' supply lines and the shared tank as one system, since a leak in one section can quietly draw down the other.

Before the visit, ask the provider to confirm which tank and roof area they will inspect, and whether the tank can be drained or isolated for a proper examination of the floor and walls. If internal recoating is recommended, ask for the quoted rate, which for tank internal coating is SAR 25–65 per m², and ask how the final area will be measured and what is included in that figure. Also ask how long the inspection will take, what access they need from each unit's occupants, and whether they will provide a written note of the leak source before any repair begins. Clear answers to these questions help you judge the work before any money changes hands.

In a duplex, the two floors often share lines, so tests are done floor by floor.

Signs that call for roof tank leak detection

These are the signs most often linked to roof tank leak detection:

• Water on the roof around the tank base
• A stain on the top-floor ceiling
• Repeated spills from the overflow outlet

Causes we see in the field

• A common cause: a fibreglass or polyethylene tank cracking in the sun.
• Inlet and outlet connections.
• A common cause: a worn float valve.

Tools we use in Atyqa

From the first visit to the report

1. Inspecting the base and connections: We look at where water gathers and trace it back.
2. Level test: The level is recorded with filling stopped.
3. Float and overflow check: We confirm whether water is escaping through the overflow rather than the tank body.
4. Recommendation: Repair of the connection, the float or the tank, stated in writing.

Quick comparison: facts and costs in Atyqa

Questions from Atyqa

What we advise against

• Mistaking a float overflow for a leak in the tank body

What you get after the work

You receive: the source of the water identified: tank body, connections or float valve, in a technical report with a verification code.